These names are placeholder names in court or in police investigations.

这些名字在法庭或警方调查中是占位名。

Another placeholder is whatsitsname (what's its name) , all this is one word, what's its name.

另一个占位符是 whatsitsname（它叫什么来着），所有这些都是一个词，它叫什么来说。

Words like thing, and stuff, are convenient placeholders.

像 thing 和 stuff 这样的词是方便的占位符。

Then, using placeholder bricks, he maps out the general shape of the section he's going to work on.

然后用占位积木，他勾勒出他将要制作的那部分的大概形状。

But zero as a placeholder is not the same as mathematical nothing as in what's left of my candy.

但是零作为占位符和数学中的零是不一样的，数学中的零代表什么都没有，就像我刚刚剩下的糖果一样。

Often, in the lab we use placeholders like 'dilute' and 'concentrated' when talking about solutions.

通常，在实验室中， 我们在谈论解决方案时会使用诸如“稀释” 和“浓缩” 之类的占位符。

I wasn't sure where to start with this,   so the first one is just a placeholder.

我不知道从哪里开始，所以第一个只是一个占位符。

Hardly worthy of higher rank than a  column leader or their placeholder.

几乎不值得比列长或其占位符更高的级别。

So I'm using %i as a placeholder.

所以我使用%I作为占位符。

And the placeholder South Korean leaders, who are led now by an acting president, are calling for unity in this moment.

韩国代总统呼吁民众在这一时刻保持团结。

I'm using %c as my placeholder.

我正在使用%c作为占位符。

Percent c is going to be the placeholder for printing a single character.

百分比c将成为打印单个字符的占位符。

I'm going to use %s as a placeholder for string s.

我将使用%s作为字符串s的占位符。

So I'm going to put a placeholder.

所以我要放一个占位符。

This is a placeholder for what will be s, a string.

这是一个占位符，它将是一个字符串。

So please if you do this one simple thing: take that placeholder text out of the text entry field.

因此，请做这件简单的事情：将占位符文本从文本输入字段中取出。

Take that placeholder text out of the box and put it outside so that it is visible by default at all times.

将占位符文本从框中取出并放在外面，以便它始终默认可见。

Around 400 years ago, it started showing up in math books as a placeholder for the unknown, and the theories as to why are truly bizarre.

大约 400 年前，它开始作为未知数出现在数学书中，这其中的原因真的很奇怪。

Or it can be a placeholder for a number, like the small g, we've been using to represent the acceleration caused by gravity.

它可以是一个数字的占位符，例如 g，用户 来表示重力引起的加速度。

Except unlike the other animals, the T-Rex is a fake. It's a replica. In a way, it's been sort of a placeholder since 1999, but its days are numbered.

不同于其他动物的是, 这只霸王龙是假的。它是一具复制品。在某种程度上, 它是自1999年以来占位所用, 但它的时日已经屈指可数。